Sec. 24.5  Terms and definitions.

    Assigned Frequency. The center of the frequency band assigned to a 
station.
    Authorized Bandwidth. The maximum width of the band of frequencies 
permitted to be used by a station. This is normally considered to be the 
necessary or occupied bandwidth, whichever is greater.

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    Average Terrain. The average elevation of terrain between 3 and 16 
kilometers from the antenna site.
    Base Station. A land station in the land mobile service.
    Broadband PCS. PCS services operating in the 1850-1890 MHz, 1930-
1970 MHz, 2130-2150 MHz, and 2180-2200 MHz bands.
    Effective Radiated Power (e.r.p.) (in a given direction). The 
product of the power supplied to the antenna and its gain relative to a 
half-wave dipole in a given direction.
    Equivalent Isotropically Radiated Power (e.i.r.p.). The product of 
the power supplied to the antenna and the antenna gain in a given 
direction relative to an isotropic antenna.
    Fixed Service. A radiocommunication service between specified fixed 
points.
    Fixed Station. A station in the fixed service.
    Land Mobile Service. A mobile service between base stations and land 
mobile stations, or between land mobile stations.
    Land Mobile Station. A mobile station in the land mobile service 
capable of surface movement within the geographic limits of a country or 
continent.
    Land Station. A station in the mobile service not intended to be 
used while in motion.
    Mobile Service. A radiocommunication service between mobile and land 
stations, or between mobile stations.
    Mobile Station. A station in the mobile service intended to be used 
while in motion or during halts at unspecified points.
    Narrowband PCS. PCS services operating in the 901-902 MHz, 930-931 
MHz, and 940-941 MHz bands.
    National Geodetic Reference System (NGRS): The name given to all 
geodetic control data contained in the National Geodetic Survey (NGS) 
data base. (Source: National Geodetic Survey, U.S. Department of 
Commerce)
    PCS Relocator. A PCS entity that pays to relocate a fixed microwave 
link from its existing 2 GHz facility to other media or other fixed 
channels.
    Personal Communications Services (PCS). Radio communications that 
encompass mobile and ancillary fixed communication that provide services 
to individuals and businesses and can be integrated with a variety of 
competing networks.
    UTAM. The Unlicensed PCS Ad Hoc Committee for 2 GHz Microwave 
Transition and Management, which coordinates relocation in the 1910-1930 
MHz band.
    Voluntarily Relocating Microwave Incumbent A microwave incumbent 
that voluntarily relocates its licensed facilities to other media or 
fixed channels.
[ 58 FR 59183 , Nov. 8, 1993. Redesignated at  59 FR 18499 , Apr. 19, 1994, 
and amended at  61 FR 29691 , June 12, 1996;  62 FR 12757 , Mar. 18, 1997]

                  Subpart B--Applications and Licenses

                       General Filing Requirements